Loren, from Eastwood in Nottinghamshire, had been at the festival with her fiancé Adam Collins and was looking forward to seeing the top acts like Kasabian on the Saturday night - when things went wrong.

While she was waiting outside toilets for Mr Collins, she believes she became distracted and someone slipped drugs into her drink - within twenty minutes her world was spinning.

Mr Collins, 24, who is a trained first aider, said: “At first I thought she was just a bit drunk, so I just carried her back to our tent.

Loren with her fiancée Adam

“But then she just started really struggling to walk. When we got back to the tent, she started going into a seizure, and her jaw was just going back and forward.

“I put her in the recovery position, but she couldn’t stay there, and she ended up choking on her own vomit, so I picked her up and lent her forward when she was being sick.

“When she stopped being sick I was helping her drink as much water as possible.

“I didn’t want to leave her, even for a second, and I didn’t want to shout as it would have panicked her. So I stayed with her and after about three hours she went to sleep.

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Problems at Boomtown

A spokesman for Festival Republic, which runs the festival, said: "We are glad to hear that Loren has made a report to police with the allegation. In a similar situation, we would advise speaking to the nearest member of staff immediately.

"All of our 1,500 security, stewards and campsite staff on duty can reach medical control immediately for assistance and appropriate tests."

Police have also released a statement regarding the overall safety of the event.

Chief Superintendent Paul Money, Leeds District Commander, said: “The August Bank Holiday weekend sees more people visiting Leeds than over any other weekend of the year, and our aim is always to ensure that people have a safe and enjoyable time.

“Our top priority is public safety and we were pleased to see that the months of planning and preparations with our partner agencies ensured these events were delivered safely.

“There was a low level of disruption to roads and public transport and the events were relatively crime-free, with only a small number of isolated incidents.

“We would like to extend our thanks to all those who took part in the events over the Bank Holiday weekend and who helped to make it a real success that Leeds can be proud of.”